<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .red{
            color: red;
        }
    </style>
</head>
<body>
    <div id="app">
       <v-a :msg="msg" v-show="true" damu="damu" class="red"></v-a>
    </div>
</body>
<script src="../js/vue.js"></script>
<script>
    Vue.config.productionTip = false;

    new Vue({
        el:"#app",
        data:{
            msg:"msg from app"
        },
        components:{
            "v-a":{
                props:["msg"],
                template:"<span>{{msg}}</span>",
            }
        }
    })
</script>
</html>